Chopper



FIG. 1 is a top front perspective view of the chopper.

FIG. 2 is a top right side perspective view of the chopper. The opposite sides are mirror images, with the exception of the internal cutting element; and,

FIG. 3 is a top perspective view of the chopper.

The broken lines depict portions of the chopper that form no part of the claimed design. 

CLAIM The ornamental design for a chopper, as shown and described. 